3rd brake-light rule now is 30 years old.
Company wants direct sales of new model through stores.
Improved radar, better voice commands, temperature control system also among features.
Challenging a 2014 law that clarified that automakers can only sell through franchised dealerships.
Will disable automatic steering if drivers don't keep their hands on the wheel.
As more features have been added in cars and trucks, the number of sounds has grown.
President Obama publishes op-ed piece in Pittsburgh Post-Gazette.
Obama administration officials say the federal government, rather than states, should be in charge of regulating self-driving cars since the vehicles are essentially controlled by software, not people.
Co-founder of ride-hailing service predicts self-driving in 5 years.
About 30 car owners have registered to show off vehicles.